highly significantp < 6 × 10 −6
6a, b ) and were highly significant for both variables for each monkey (7A variance: monkey 1: p < 6 × 10 −6 (Wilcoxon rank-sum test relative to 0 across all pixels in the ROI); monkey 2: p < 2 × 10 −14 ; EV: monkey 1: p < 2 × 10 −21 , monkey 2: p < 9 × 10 −13 ; dlPFC variance: monkey 1: p < 6 × 10 −10 , monkey 2: p < 8 × 10 −8 ; EV: monkey 1: p < 5 × 10 −28 , monkey 2: p < 2 × 10 −12 ).